25603063 has 4 divisors (see below), whose sum is σ = 25613280. Its totient is φ = 25592848.

The previous prime is 25603049. The next prime is 25603079. The reversal of 25603063 is 36030652.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25603063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25603043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1506 + ... + 7312.

It is an arithmetic number, because the mean of its divisors is an integer number (6403320).

Almost surely, 2^25603063 is an apocalyptic number.

25603063 is a deficient number, since it is larger than the sum of its proper divisors (10217).

25603063 is an equidigital number, since it uses as much as digits as its factorization.

25603063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10216.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 25603063 is about 5059.9469364807. The cubic root of 25603063 is about 294.7342737855.

It can be divided in two parts, 2 and 5603063, that added together give a palindrome (5603065).

The spelling of 25603063 in words is "twenty-five million, six hundred three thousand, sixty-three".